/Engine/Source/Runtime/Foliage/Public/ProceduralFoliageComponent.h
Describes the layout of the tiles used for procedural foliage simulation
struct FTileLayout
int32
BottomLeftX
The X coordinate (in whole tiles) of the bottom-left-most active tile.
int32
BottomLeftY
The Y coordinate (in whole tiles) of the bottom-left-most active tile.
FVector::FReal
HalfHeight
int32
NumTilesX
The total number of active tiles along the x-axis.
int32
NumTilesY
The total number of active tiles along the y-axis.